212262970 has 16 divisors (see below), whose sum is σ = 382603680. Its totient is φ = 84787344.

The previous prime is 212262961. The next prime is 212262979. The reversal of 212262970 is 79262212.

It is an interprime number because it is at equal distance from previous prime (212262961) and next prime (212262979).

It is not an unprimeable number, because it can be changed into a prime (212262979) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6972 + ... + 21751.

It is an arithmetic number, because the mean of its divisors is an integer number (23912730).

Almost surely, 2^212262970 is an apocalyptic number.

212262970 is a deficient number, since it is larger than the sum of its proper divisors (170340710).

212262970 is a wasteful number, since it uses less digits than its factorization.

212262970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29469.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 212262970 is about 14569.2474067812. The cubic root of 212262970 is about 596.5196378707.

The spelling of 212262970 in words is "two hundred twelve million, two hundred sixty-two thousand, nine hundred seventy".